"""
for 变量 in 待处理数据集


name = "itheima"

for v in name:
    print(type(v))
"""

name = "itasdwdiuwbdiwbiasdsadwdwasdwdwni"

countA = 0

for s in name:
    if s == "a":
        countA += 1


print(countA)
